package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Update;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;


    //新增分类
    public R<String> save(@RequestBody Category category) {
        log.info("category", category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }
//分页查询

    @GetMapping("/page")
    public R<Page> pageR(int page, int pageSize) {
        Page<Category> caca = new Page<>(page, pageSize);
        LambdaQueryWrapper<Category> qw = new LambdaQueryWrapper<>();
        qw.orderByDesc(Category::getSort);
        categoryService.page(caca, qw);


        return R.success(caca);
    }

    @DeleteMapping    //根据id删除分类
    public R<String> deleteById(Long id) {
        log.info("删除分类,id为: {}" + id);
        //categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("删除成功");
    }

    @PutMapping
    public R<String> update(@RequestBody Category category) {
        log.info("修改分类信息: {}", category);
        categoryService.updateById(category);
        return R.success("分类修改成功");
    }

    //用实体的方式在封装数据
    //根据条件查询分类数据
    public R<List<Category>> list(Category category){
        LambdaQueryWrapper<Category> qw = new LambdaQueryWrapper<>();
        //添加条件
        qw.eq(category.getType()!=null,Category::getType,category.getType());
        //排序,按顺序排,如果一样再按更新时间降序
        qw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        //调方法,传qw
        List<Category> list = categoryService.list(qw);


        return R.success(list);
    }
}
